The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-845-9874, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Huck International, Inc (CAGE 17446); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Mil-Bar Plastics, Inc. Dba Mil-Bar Plastics Inc (CAGE 06850); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528) |
| Parameter | Value |
|---|---|
| NSN | 5306-00-845-9874 |
| Primary Part Number | 51B464-3A6H |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 51B464-3A6H | Huck International, Inc (USA) |
| 51B464-3A6H | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 51B464-3A6H | Mil-Bar Plastics, Inc. Dba Mil-Bar Plastics Inc (USA) |
| 51B464-3A6H | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 51B464-3A6H | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 51B464-3A6H | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 51B464-3A6H | 5/2 Secondary reference U.S. Government activity |
| 51B464 3A6H | 5/9 Secondary reference U.S. Government activity |
| 51B464-3A6H | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 51B464-3A6H | 5/2 Secondary reference U.S. Government activity |
| 51B464-3A6H | 5/9 Secondary reference U.S. Government activity |
| 51B464-3A6H | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5306-00-845-9874 is a Bolt,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-845-9874 has 6 manufacturer part numbers on file: 51B464-3A6H (Huck International, Inc), 51B464-3A6H (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 51B464-3A6H (Mil-Bar Plastics, Inc. Dba Mil-Bar Plastics Inc), 51B464-3A6H (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 51B464-3A6H (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 1 more.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.